York S1-025-29125-000 Terminal Block 319847-401 which comes pre-programmed from the

which comes pre-programmed from the factory for specific performance curves

33" WC (inches water column)

and 3003 Series wall furnaces to ensure a zero-clearance seal

this venturi air valve ensures the burner receives the correct airflow required for stable ignition and optimal thermal efficiency

York S1-025-29125-000 Terminal Block 319847-401 which comes pre-programmed from theThe York S1 025 29125 000 Terminal Block serves as a critical junction for high voltage and control circuit wiring within York, Luxaire, and Coleman air handlers and furnaces. As a genuine Johnson Controls furnace component, this HVAC terminal block is engineered to maintain secure electrical terminations, effectively preventing high resistance heat build up that frequently results in charred insulation or intermittent signal failure in the field.